12... d7c6 [%c_effect c6;square;c6;type;GreatFind;persistent;true] A good move that frees up the d7-square for the knight and puts pressure on both e4 and c4. 13. c1d2  13... e7e6 [%c_effect e6;square;e6;type;Inaccuracy;persistent;true] This move allows White to consolidate his position. 14. a1c1 Now the center is well-protected, and White has a small advantage. 14... a7a6 